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首页> 外文会议>International Conference on Nuclear Engineering >Development of Design Support System for Piping Route and Differential Pressure Flowmeter by Three-Dimensional Fluid Analysis
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Development of Design Support System for Piping Route and Differential Pressure Flowmeter by Three-Dimensional Fluid Analysis

机译：三维流体分析开发管道路径路径和差压流量计的设计支持系统

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In power plants that becoming more compact, it will expend much time and effort to satisfy the requirement for the differential pressure flow measurement according to ISO's standards. Therefore, it is difficult for engineers in the design phase to completely remove the potential for large errors in flow measurement. This paper presents the 3D fluid analysis system that is a lower cost than the conventional method to confirm the soundness of such measurement in the phase of piping route design. This system has the function to automatically generate the analysis models from general 3D piping CAD data. The analysis program is written by the open source code to reduce a license fee. Also, this system has the function of calculating the swirl strength along the pipe axis as one of the means for efficiently supporting the design change. In order to verify and validate the analysis system, we analyzed several flow paths, confirmed the response of the swirl strength and flow rate indication value of the differential pressure flowmeter model. The analysis result well simulated the increase or decrease swirl strength in the complex How path, and fluctuation of the flow rate indication value. Also, the system supports to set the flowmeter in the appropriate position by providing visualization of the swirl strength along the pipe axis. In the flow path analysis in this validation, it took about one month to visualization of the swirl strength along the pipe axis from the generation of the analysis models. The 3D fluid analysis system collaborative with 3D piping CAD design system has been developed. This system enable to confirm the effects of swirl strength on flow measurement and the soundness of the differential pressure flow measurement at a lower cost in comparison with conventional method.
机译：在变得更加紧凑的电厂中，它将花费大量的时间和精力来满足根据ISO标准的差压流量测量要求。因此，设计阶段的工程师难以完全消除流量测量中大误差的可能性。本文介绍了3D流体分析系统，其成本低于传统方法，以确认在管道路径设计的阶段中这种测量的声音。该系统具有自动生成从一般3D管道CAD数据生成分析模型的功能。分析程序是由开源代码编写的，以减少许可费。而且，该系统具有计算沿管轴的涡流强度作为用于有效地支持设计变化的装置之一的功能。为了验证和验证分析系统，我们分析了几条流动路径，确认了差压流量计模型的旋流强度和流量指示值的响应。分析结果井模拟了复杂的旋转强度的增加或降低流量指示值的波动。而且，系统支持通过提供沿管轴的旋涡强度的可视化来在适当位置设置流量计。在该验证的流动路径分析中，从分析模型的产生需要大约一个月的时间来可视化沿管道轴的旋转强度。已经开发了3D流体分析系统与3D管道CAD设计系统的协作。该系统使得能够以与传统方法相比，以较低的成本确认旋涡强度对流量测量和差压流量测量的声音的影响。

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